Difference between revisions of "Packera dimorphophylla var. paysonii"

(T. M. Barkley) Trock & T. M. Barkley

Sida 18: 386. 1998.

Common names: Payson’s groundsel
Basionym: Senecio dimorphophyllus var. paysonii T. M. Barkley
Treatment appears in FNA Volume 20. Treatment on page 586. Mentioned on page 584.
FNA>Volume Importer
(No difference)

Revision as of 00:31, 27 July 2019

Plants 10–35 cm. Stems 1 (lax), frequently 1–3 times branched. Basal leaves: petioles narrowly, if at all, winged, lengths 1–2 times blades; blades orbiculate to subreniform, 1–5+ × 1–4 cm, bases subcordate or abruptly contracted. Cauline leaves clasping; auriculate.


Phenology: Flowering early Jul–late Aug.
Habitat: Steep, rocky slopes, thin soils in alpine meadows
Elevation: 2700–3300 m

Discussion

Variety paysonii is known only from northwestern Wyoming, adjacent Montana and Idaho, and Elko County, Nevada. Its petioles are slender and their lengths are 1–2 times their blades.

Selected References

None.

Lower Taxa

None.
Debra K. Trock +
(T. M. Barkley) Trock & T. M. Barkley +
Senecio dimorphophyllus var. paysonii +
Payson’s groundsel +
Idaho +, Mont. +, Nev. +  and Wyo. +
2700–3300 m +
Steep, rocky slopes, thin soils in alpine meadows +
Flowering early Jul–late Aug. +
Illustrated +  and Endemic +
Compositae +
Packera dimorphophylla var. paysonii +
Packera dimorphophylla +
variety +